Magnetic gas cap



FIG. 1 is a front, top and side perspective view of the magnetic gas capshowing my new design;

FIG. 2 is a side elevational view thereof, it being understood that allother sides are mirror images of that shown;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof; and,

FIG. 5 is a bottom perspective view thereof.

The ornamental design for a magnetic gas cap, as shown and described.